Potassium permanganate solution can clean the wound, potassium permanganate solution is a disinfectant, you can use the concentration of 1:5000 to disinfect the wound, will kill some bacteria and spores. But if the wound has serious infection, you need to go to the hospital’s surgery or emergency department for treatment, doctors will generally use iodophor, tincture of iodine, hydrogen peroxide, saline, etc. to treat the wound, but also to remove the infection and necrotic tissue, if necessary, need to suture the wound, and then regular drug changes later. If the contamination of the wound is serious, oral antibiotics, such as cephalosporin or metronidazole, are required, and if necessary, infusion therapy is also required. Therefore, once there is an infection or trauma, it is necessary to go to the hospital’s surgery for treatment in a timely manner, and do not self-medicate to prevent delays.